Senior Software Developer C#/.Net

Candidate will primarily design, develop, and maintain applications in C# using .NET 4.5 and higher, and Core Frameworks. Candidate must be a self-starter with the ability to work independently with little supervision. Candidate must have good communication and interpersonal skills with the ability to work effectively in a team environment and communicate directly with the customer.

Primary Responsibilities:

• Collaborate with product managers, customers, and other team members
• Transform customer requests into refined requirements using agile methodologies
• Develop scalable C#/ASP.NET/.NET Core applications using MVC with Entity Framework
• Modernize legacy ASP.NET Web Forms applications into .NET Core MVC and Blazor
• Maintain and modernize legacy Windows Desktop applications
• Review the work of other developers and provide constructive feedback
• Create test plans and respond to feedback from the test team
• Operate in a scrum-based agile development process which will involve peer reviews, source code management, documentation, testing and other well-defined development procedures
• Recommend changes affecting software to promote team growth and success
• Contribute to project documentation including configuration and compliance to DoD security guidelines
• Function as a technical expert across multiple software project assignments

Basic Qualifications:

• B. S. Degree in computer science, information systems, or other IT discipline

• 8+ years of experience working in a C# environment with ASP.NET MVC
• 8+ years object-oriented analysis and design experience

• Experience in a Scrum Agile working environment
• Experience working with SQL, HTML, JavaScript, JQuery or other JavaScript client frameworks, AJAX, CSS, XML, JSON, etc.

• Familiarity with Git or other source code control applications

• Competency using Microsoft Visual Studio
• Must be able to obtain a favorable DoD background check or obtain a secret security clearance
• U. S. Citizen

Preferred Qualifications:

• Experience with Web API a plus
• Experience with Angular.js or React a plus
• Experience with containerization a plus
• Experience architecting and re-architecting solutions using current and emerging best practices
• Understanding of Security & Privacy Controls for Federal Information Systems desired

Primary Responsibilities:

• Collaborate with product managers, customers, and other team members
• Transform customer requests into refined requirements using agile methodologies
• Develop scalable C#/ASP.NET/.NET Core applications using MVC with Entity Framework
• Modernize legacy ASP.NET Web Forms applications into .NET Core MVC and Blazor
• Maintain and modernize legacy Windows Desktop applications
• Review the work of other developers and provide constructive feedback
• Create test plans and respond to feedback from the test team
• Operate in a scrum-based agile development process which will involve peer reviews, source code management, documentation, testing and other well-defined development procedures
• Recommend changes affecting software to promote team growth and success
• Contribute to project documentation including configuration and compliance to DoD security guidelines
• Function as a technical expert across multiple software project assignments

Basic Qualifications:

• B. S. Degree in computer science, information systems, or other IT discipline

• 8+ years of experience working in a C# environment with ASP.NET MVC
• 8+ years object-oriented analysis and design experience

• Experience in a Scrum Agile working environment
• Experience working with SQL, HTML, JavaScript, JQuery or other JavaScript client frameworks, AJAX, CSS, XML, JSON, etc.

• Familiarity with Git or other source code control applications

• Competency using Microsoft Visual Studio
• Must be able to obtain a favorable DoD background check or obtain a secret security clearance
• U. S. Citizen

Preferred Qualifications:

• Experience with Web API a plus
• Experience with Angular.js or React a plus
• Experience with containerization a plus
• Experience architecting and re-architecting solutions using current and emerging best practices
• Understanding of Security & Privacy Controls for Federal Information Systems desired

• Experience with Web API a plus
• Experience with Angular.js or React a plus
• Experience with containerization a plus
• Experience architecting and re-architecting solutions using current and emerging best practices
• Understanding of Security & Privacy Controls for Federal Information Systems desired

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.


It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.